Verified80% confidenceFactExact time
Mainstream AI detection tools primarily rely on two statistical metrics—Perplexity and Burstiness—to distinguish human writing from AI-generated text.
9
Sources
80%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
AI Cheating Exposed: What a 50% Grade Drop in an Ivy League In-Person Exam Really Means
hackernewshackernews7/8/2026
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